Various types of measurements were studied for estimating the orbit and/or attitude of an Earth Observation Satellite. An investigation was made into the use of known ground targets in the earth sensor imagery, in combination with onboard star sightings and/or range and range rate measurements by ground tracking stations or tracking satellites (TDRSS), to estimate satellite attitude, orbital ephemeris, and gyro bias drift. Generalized measurement equations were derived for star measurements with a particular type of star tracker, and for landmark measurements with a multispectral scanner being proposed for an advanced Earth Observation Satellite. The use of infra-red horizon measurements to estimate the attitude and gyro bias drift of a geosynchronous satellite was explored.


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    Title :

    Advanced Earth Observation System Instrumentation Study (aeosis)


    Contributors:
    White, R. (author) / Grant, F. (author) / Malchow, H. (author) / Walker, B. (author)

    Publication date :

    1975-12-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Technology Needs of Advanced Earth Observation Spacecraft

    J. J. Herbert / J. R. Postuchow / W. A. Schartel | NTIS | 1984




    Technology needs of advanced Earth observation spacecraft

    Herbert, J. J. / Postuchow, J. R. / Schartel, W. A. | NTRS | 1984